Marine Tested: JL Audio's marine speakers are tested in
ultraviolet chambers (to simulate years of sun exposure) and salt fog chambers
(to simulate years of exposure to salt-water environments).
Woofers: The JL Audio M880-CCX-CG-WH are 8.8" speakers
(8.8" is the nominal size, they don't actually measure 8.8") and the
woofers have approximately 36% more cone area than typical 6.5" designs.
The cones are injection-molded, mica-filled polypropylene with synthetic rubber
surrounds; they are specifically formulated with UV inhibitors for marine use.
The woofers also use marine-grade synthetic fiber spiders with progressive roll
designs to withstand high humidity.
Tweeters: The tweeters are 1.2" silk domes, specially
treated to withstand UV exposure and salt water spray. The dome tweeters use
neodymium magnets to improve efficiency and are Ferrofluid-cooled and damped
for better response and power handling. The crossover offers two tweeter output
options, flat and +2 dB (adjusted by changing a jumper wire position).
Polymer Basket and Grille: The specifically engineered polymer
baskets and grilles are corrosion and UV-resistant. The basket encloses the woofer's
motor system to prevent internal corrosion.
Dynamic Motor Analysis (DMA): DMA is JL Audio's proprietary
method of improving dynamic motor behavior. As a result of DMA optimization, the
M880 motor remains linear over a long excursion range, and also maintains a stable
fixed magnetic field in the gap over a wide power range. The result is reduced
distortion, faithfully reproduced transients, and tight, clean, articulate bass.
Crossover: The JL audio marine speakers utilize a true 2-way
crossover network with 1st order low-pass and 2nd order high-pass circuits. The
crossover network also features a polyswitch solid-state tweeter protection
circuit to prevent tweeter failures. The crossover offers two tweeter output
options, flat and +2 dB.
Infinite-Baffle Operation: The M880 is optimized for infinite
baffle operation, so it can be installed in a variety of locations without the need
for a dedicated enclosure.
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